A Giant Brunneroma Causing Gastrointestinal Bleeding and Severe Anemia Requiring Transfusion and Surgery

Figure 3

Histopathological examination. (a) 8 × 4 × 8 cm submucosal polypoid tumor in the proximal duodenum. ((b) and (c)) Microscopic examination showed extensive proliferation of Brunner’s glands.

(a)

(b)

(c)